200 East Randolph Street


Chicago, IL 60601

    Building Details

    • Floors83
    • Walk Score®98
    • Year Built1972

    Formally known as the Amoco Building, the Aon Center is located at 200 East Randolph Street. This eighty-three story skyscraper stands at a height of 1,136 feet which makes it the fourth tallest building in Chicago.

    The Aon Center was completed in 1973 and in 1974 became the headquarters for the Standard Oil Company of Indiana.

    This tower was designed by Edward Durell Stone who has designed many icon buildings such as the General Motors Building, Museum of Modern Art, and Radio City Music Hall.

    The exterior of this building was faced with Carrara marble but was soon replaced due to the slabs being too thin and causing problems. The building was then refaced faced with white granite.

    The Aon Center offers tenants a plethora of first-class amenities that range from concierge service to the use of the auditorium. The concierge service provides tenants with: Corporate Gifts, Corporate events and catering, entertainment, and gift baskets.

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